• Devils Postpile Formation

    Devils Postpile

    National Monument California

There are park alerts in effect.
show Alerts »
  • Monument Open Until October 31, Visitor Services Limited this Fall

    Devils Postpile and the Reds Meadow Valley will be open until October 31, weather permitting. The shuttle bus is no longer running so visitors can drive their vehicles into the monument. Parking is limited and can be full on weekends, plan accordingly. More »

  • 37-Foot Vehicle Length Restriction on the Devils Postpile Access Road

    Devils Postpile has a limit of 37 feet for vehicles on the monument road. This may change during weather events, construction activities, vehicle congestion, or for safety reasons. Call or email for more information. More »

For Kids


Stop by the Ranger Station on Saturday and Sunday afternoons, to explore the animals and birds of the Postpile! This program takes place on the Ranger Station porch from 1:00 p.m. to 3:00 p.m. Ranger-led hikes to the Devils Postpile formation have ended for the season.

Story Hour at the Mammoth Lakes Library

Learn about everything from big black bears to icky insects through stories, crafts, and songs at the Mammoth Lakes Library Story Hour with a Ranger. This program is geared for ages 0-5 and their families. Check the Mammoth Lakes Public Library calendar for dates.

Ranger Story Hour dates for Fall 2014
Wednesday, September 10
Wednesday, September 24
Wednesday, October 8

Junior Rangers in front of the ranger station
The Devils Postpile Junior Ranger program offers great opportunities for kids to learn about the monument.
NPS Photo

Did You Know?

A view of the Postpile looking northeast.

The area now known as Devils Postpile National Monument used to be part of Yosemite National Park. In 1905, the Devils Postpile formation, Rainbow Falls, and the Minarets were removed from Yosemite's boundaries due to pressure from mining interests.